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re PR target/24954 (ICE: could not split insn)

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PR target/24954
	* config/rs6000/predicated.md (easy_vector_constant_add_self): Use
	explicit sign extension, not a (char) cast.

From-SVN: r107352
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Alan Modra 2005-11-22 13:00:06 +00:00 committed by Alan Modra
parent cddfb1c7ac
commit e168899134
2 changed files with 7 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2005-11-22 Alan Modra <amodra@bigpond.net.au>
PR target/24954
* config/rs6000/predicated.md (easy_vector_constant_add_self): Use
explicit sign extension, not a (char) cast.
2005-11-22 Ben Elliston <bje@au.ibm.com>
* optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing

2
gcc/config/rs6000/predicates.md
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@ -317,7 +317,7 @@
(match_test "easy_altivec_constant (op, mode)")))
{
rtx last = CONST_VECTOR_ELT (op, GET_MODE_NUNITS (mode) - 1);
HOST_WIDE_INT val = (char) (INTVAL (last) & 255);
HOST_WIDE_INT val = ((INTVAL (last) & 0xff) ^ 0x7f) - 0x7f;
return EASY_VECTOR_15_ADD_SELF (val);
})